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Refactor test block creation #68

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merged 5 commits into from
Jan 29, 2022
Merged

Refactor test block creation #68

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7b92a88
Refactor test block creation
terror Jan 28, 2022
cdfab47
Remove unused Path
terror Jan 28, 2022
5f9ff58
Serialize blocks all at once
terror Jan 28, 2022
18f275e
Use default merkle roots
terror Jan 29, 2022
6bb1a91
No height
terror Jan 29, 2022
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70 changes: 33 additions & 37 deletions tests/integration.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,6 @@ use {
blockdata::constants::{genesis_block, COIN_VALUE, MAX_SEQUENCE},
blockdata::script,
consensus::Encodable,
hashes::sha256d,
{Block, BlockHeader, Network, OutPoint, Transaction, TxIn, TxOut},
},
executable_path::executable_path,
Expand Down Expand Up @@ -101,9 +100,7 @@ impl Test {
}

fn run_with_stdout(self) -> Result<String> {
let blocksdir = self.tempdir.path().join("blocks");
fs::create_dir(&blocksdir)?;
populate_blockfile(File::create(blocksdir.join("blk00000.dat"))?, 1)?;
self.populate_blocksdir()?;

let output = Command::new(executable_path("ord"))
.current_dir(&self.tempdir)
Expand All @@ -126,6 +123,38 @@ impl Test {

Ok(stdout.to_owned())
}

fn populate_blocksdir(&self) -> io::Result<()> {
let mut blocks = vec![genesis_block(Network::Bitcoin)];

blocks.push(Block {
header: BlockHeader {
version: 0,
prev_blockhash: blocks.last().unwrap().block_hash(),
merkle_root: Default::default(),
time: 0,
bits: 0,
nonce: 0,
},
txdata: vec![
generate_coinbase_transaction(1),
generate_spending_transaction(OutPoint {
txid: blocks.last().unwrap().txdata[0].txid(),
vout: 0,
}),
],
});

let blocksdir = self.tempdir.path().join("blocks");
fs::create_dir(&blocksdir)?;
let mut output = File::create(blocksdir.join("blk00000.dat"))?;

for block in blocks {
serialize_block(&mut output, &block)?;
}

Ok(())
}
}

fn generate_coinbase_transaction(height: usize) -> Transaction {
Expand Down Expand Up @@ -198,36 +227,3 @@ fn serialize_block(output: &mut File, block: &Block) -> io::Result<()> {
output.seek(SeekFrom::Current(size as i64))?;
Ok(())
}

fn populate_blockfile(mut output: File, height: usize) -> io::Result<()> {
let genesis = genesis_block(Network::Bitcoin);
serialize_block(&mut output, &genesis)?;

let mut prev_block = genesis.clone();
for _ in 1..=height {
let tx = generate_coinbase_transaction(height);
let hash: sha256d::Hash = tx.txid().into();
let merkle_root = hash.into();
let block = Block {
header: BlockHeader {
version: 0,
prev_blockhash: prev_block.block_hash(),
merkle_root,
time: 0,
bits: 0,
nonce: 0,
},
txdata: vec![
tx,
generate_spending_transaction(OutPoint {
txid: prev_block.txdata[0].txid(),
vout: 0,
}),
],
};
serialize_block(&mut output, &block)?;
prev_block = block;
}

Ok(())
}